"""
字符串，列表，元组
"""

arr = [1,2,3,4,5,16,9,-2]
print(len(arr))
print(sum(arr))  #相加

del arr[3]   #去除索引第三
print(arr)
print(max(arr))
print(min(arr))

arr2 = ["A","b","c",4,1]  #查找元素是否在里
print("d" in arr2)
print("c" in arr2)
print(arr+arr2)

print(arr2 * 3)

string1 = ["a","b",7]
string2 = ["a","b",5]
print(string1 > string2)

